Home / 2,916.90-4,376.00-1,067.98

Finding the Fourth Proportional to 2,916.90, 4,376.00 and 1,067.98

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Solution

The fourth proportional to 2,916.90, 4,376.00 and 1,067.98 is: 1,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.90 : 4,376.00 = 1,067.98 : x
  2. Step 2: Convert to fraction form
    2,916.90/4,376.00 = 1,067.98/x
  3. Step 3: Cross multiply
    2,916.90x = 4,376.00 × 1,067.98
  4. Step 4: Simplify right side
    2,916.90x = 4,673,472.21
  5. Step 5: Solve for x
    x = 4,673,472.21/2,916.90
  6. Step 6: Final answer
    x = 1,602.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.